'On June 2nd we announced a collaboration between Bing, Google and Yahoo to create and support a standard set of schemas for structured data markup on web pages. Although our companies compete in many ways, it was evident to us that collaboration in this space would be good for each search engine individually and for the industry as a whole.'

Google aren't always the first either - Bing brought out their recipe search tool (based on microformats) over a year before Google did.